Troubleshooting Table; Possible Cause - Corghi ERCO X4300 Serie Betriebsanleitung

pROBLEM
The main switch is on, the power
on light is off
The main switch is on, the power
on light is on but the lift does
not answer to any control
pushing the up button, the
motor turns but the lift does
not go up
The ascent becomes irregular
and uncoordinated after reach-
ing a certain height
Motor stops while ascending
after repeated lifting cycles
The MAIN LIFT raises and stops
before descending when the
down button is pressed; or the
lift does not start to descend
when the quick positioning
button is pressed
The BUILT-IN LIFT TABLE
LT raises and stops before
descending when the down
button is pressed; or the lift
does not start to descend
when the quick positioning
button is pressed
The motor is very noisy and the
control unit vibrates greatly; the
lift is not powered
The lift blocks during a ma-
noeuvre
Operator' s manual

Troubleshooting table

pOSSIBLE CAUSE

1- No connection to the network
socket
2- Transformer protection fuses
or line fuses blown
3- Electric transformer fault
Fuse burning on the electronic
board
1- Incorrect phase connection
in the mains power plug (mo-
tor rotating in the opposite
direction)
2- Electrical system anomaly
Air intake in the hydraulic circuit
due to a too low oil level
Thermal protection interven-
tion due to the motor overheat-
ing. ALARM 02
Solenoid valve YV5 connector
disconnected
Solenoid valve YV7 connector
disconnected
1- One electrical phase missing
due to burnt fuse
2- One electrical phase missing
but the fuses are not damaged;
probable clamp loosening
Load imbalanced
REMEDY
1- Check the exact connection
of the power supply cable with
the network socket
2- Replace the burnt fuses; if the
burnt one burns again, contact
the technical assistance
3- Contact the technical as-
sistance
Replace the burnt fuse on the
electronic board; if the fuse
burns again, contact the techni-
cal assistance
1- Check connection to the
network socket and restore it,
if necessary
2- Contact the technical as-
sistance
Add oil until the regular maxi-
mum level as specified in the
operator's manual is obtained
Wait for a certain period of time
until the motor cools down
Contact the Technical As-
sistance
Contact technical support
1- Replace the blown fuse;
contact technical support if the
motor is still noisy
2- Contact the technical assist-
ance for a check
put the load to the ground fol-
lowing the manual emergency
procedure and contact the
technical assistance
UK
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